Chair armrest



FIG. 1 is a front perspective view of a chair armrest showing my newdesign. The broken lines are for environmental purposes only and form nopart of the claimed design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a chair armrest, as shown and described.